Added link of Python Developer Roadmap

[syedmouaazfarrukh]

Hi @vinta,

I came across your repository awesome-python and found it to be a valuable resource for Python enthusiasts.

While browsing through the repository, I noticed that it was missing links to any structured guides such as the famous "Python Developer Roadmap". I took the initiative to submit a "Pull Request" adding it in others section.

Thank you for your time and effort in maintaining this valuable resource :)

Best, Mouaaz